
South Sea Pearl Necklaces
If you’re looking for a South Sea pearl necklace, chances are you’ve already done a bit of pearl research and you’ve likely purchased pearls in the past. South Sea pearls are not what I would typically recommend for a first strand of pearls. - unless you’re the type who starts at the top.
South Sea pearls are the largest and most valuable of all saltwater pearls farmed today. They are produced in remote areas of Australia, the Philippines, Indonesia and a few other countries. The pearl oyster that grows these gems is the largest used in pearl farming. It’s the size of an American dinner plate, and the pearls are the size of marbles.
There are two types of South Sea pearls: those grown in the silver-lip and those grown in the gold-lip pearl oyster. You guessed it. White and silver South Sea pearls grow in the former and the ultra-valuable gold South Sea pearls in the latter. They make some of the most beautiful and most valuable South Sea pearl necklaces in the world.
These are statement pearls. If you’re the wearer, you’re making a statement. If you’re the giver, you’re making a statement. It’s impossible to wear a strand of South Sea pearls and not be noticed.
Freshwater Pearl Necklaces
Freshwater pearls have been around nearly as long as Akoya, but have never been considered quite as valuable, even though they are more “pearl” than Akoya. How so? Freshwater pearls are traditionally grown without a bead. They are 100% nacre (pearl). So why are they considered less valuable? Because a freshwater shell can grow dozens of pearls at a time. Most Akoya oysters only grow one or two at a time.
If you’ve seen freshwater pearls in a store, you probably think all freshwater pearls are weird shapes and not very shiny. This is most often the case. They aren’t as round as Akoya because they don’t have a bead in the center. But fine freshwater pearls do exist, and the finest, like those we refer to as “freshadama,” are nearly indistinguishable from fine Akoya pearls in shape, color and luster.
If this is the first strand of pearls for you or someone you’re shopping for, consider freshwater. Not only do they offer the Akoya look at a lower price, they also commonly grow in natural pastel colors. You’re only going to find those colors (naturally) in freshwater pearls.
Akoya Pearl Necklaces
Grown in saltwater, Akoya pearls are known for their color, shape and most of all, luster. Luster is the quantity and quality of light that reflects from the surface of the pearl. This is the most important factor in choosing an Akoya pearl necklace. It’s what makes the pearls shine. It’s also a proof-positive indicator of whether the pearls spent enough time in their mother oyster. Quality sellers have long-established relationships with reputable farmers and processors.
Akoya pearl oysters are seeded with a perfect round bead and put back into the water ideally for a period of 1.5-2 years. But too many farmers harvest after only a few months. The pearls might look similar in the beginning, but due to the thin nacre, they won’t last more than a few years. Yet these types of pearls are often sold as AAA.
Selecting the Perfect Pearl Necklace
Standardized pearl grading Is a myth. There is no defined, recognized system or standard for grading pearls. No two pearl companies in the world grade their pearls in the same way or to the same standard. It's inherently impossible.
You’re probably familiar with the 4 C's of diamond grading: cut, color, clarity and carat weight. These standards are clearly defined and values are assigned.
In pearl grading, there are seven value factors: size, shape, color, luster, surface quality, nacre quality and matching.
But there’s a catch! Pearl value factors are graded subjectively with no defined standards.
What does this mean for people comparison shopping for pearls?
Pearls graded AAA by one dealer could just as easily be graded A by another - using the same A-AAA scale.
What one can use for comparison shopping is experience and service. You should be able to speak to an expert face-to-face, virtually or on the phone. You should be able to request extra photos before making a final decision..
Pearl Knotting
Pearl necklaces should almost always be knotted between each pearl. The knots prevent the pearls from rubbing against one another and they also protect your investment. If your necklace were to break, your pearls wouldn’t scatter. The only exception to the knotting rule is with small, graduated strands. These do not look nice with knots so they are typically only knotted near the clasp.
Silk is the most popular thread, although many are beginning to use synthetic fibers because they tend to be more durable. Either is fine.
Choose the appropriate length and size of pearls.
If you’re new to pearls, I know this is a question you will or already have been pondering. What size of pearl suits me/her. How would a strand of 6 mm Akoya look compared with an 8 mm strand of freshadama? How would either compare to a 10 mm strand of Tahitian?
After more than a quarter century in the pearl business, I can confidently state the most popular sizes. These sizes are safe, they aren’t too big and they aren’t too small. If you’re looking for something on the smaller side, go smaller. If you’re looking for something on the larger side, go larger.
The most popular size of Akoya pearl is 7-7.5 mm. A very close second is 8-8.5 mm.
Freshwater pearl necklaces measuring 7.5-8 mm reign supreme. The second most popular is 8.5-9 mm.
Tahitian pearl necklaces are inherently larger pearls. Strands are typically graduated with smaller pearls near the clasp and larger pearls near the center. We import thousands of Tahitian pearls every year and those ranging from 8 mm to 11 mm account for more than 90%. That says something.
South Sea pearls are the largest. If you’re in the market for a South Sea pearl necklace, you already want large pearls. The most popular and the most wearable size ranges from 10 mm to 14 mm.
If you’re considering a necklace that is smaller or larger than these, remember this little piece of trivia: One millimeter difference in size may seem insignificant, but because pearls are round, the mass increases substantially. As a general rule of thumb, an increase of two millimeters will nearly double the overall size of a pearl.
Choosing the Right Length
The length of a pearl necklace is a personal preference. What look are you going for? If you plan to wear your pearls more casually, you’re probably better suited to a shorter strand. Longer strands are considered more formal, although this is not a hard rule.
The most popular lengths are 16 inches and 18 inches. Strands as long as 35 inches and even 50 inches are also very popular because they can be worn long or doubled up.

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